Uncaught TypeError: i(...).once is not a function

Problem/Motivation

When trying to use the provided juicer.js on a site also using Slick and other modules, the JS console throws errors related to once not being a function.

drupal.js?v=8.9.3:13 Uncaught TypeError: i(...).once is not a function
    at Object.attach (slick.load.min.js?v=8.9.3:1)
    at drupal.js?v=8.9.3:25
    at Array.forEach (<anonymous>)
    at Object.Drupal.attachBehaviors (drupal.js?v=8.9.3:22)
    at drupal.init.js?v=8.9.3:28
    at HTMLDocument.listener (drupal.init.js?v=8.9.3:20)
attach	@	slick.load.min.js?v=8.9.3:1
(anonymous)	@	drupal.js?v=8.9.3:25
Drupal.attachBehaviors	@	drupal.js?v=8.9.3:22
(anonymous)	@	drupal.init.js?v=8.9.3:28
listener	@	drupal.init.js?v=8.9.3:20
setTimeout (async)		
Drupal.throwError	@	drupal.js?v=8.9.3:12
(anonymous)	@	drupal.js?v=8.9.3:27
Drupal.attachBehaviors	@	drupal.js?v=8.9.3:22
(anonymous)	@	drupal.init.js?v=8.9.3:28
listener	@	drupal.init.js?v=8.9.3:20

Steps to reproduce

Proposed resolution

Modify how the libraries are being loaded in Drupal 8 so that they do not conflict with core jQuery and Slick.

Remaining tasks

User interface changes

API changes

Data model changes